const { createServer } = require('https');
const { parse } = require('url');
const next = require('next');
const fs = require('fs');
const path = require('path');

const dev = process.env.NODE_ENV !== 'production';
const hostname = 'localhost';
const port = 3000;

const app = next({ dev, hostname, port });
const handle = app.getRequestHandler();

// SSL 证书路径（相对于项目根目录）
const certDir = path.join(__dirname, '..', 'certs');
const keyPath = path.join(certDir, 'server.key');
const certPath = path.join(certDir, 'server.crt');

app.prepare().then(() => {
  // 检查证书文件是否存在
  if (fs.existsSync(keyPath) && fs.existsSync(certPath)) {
    const httpsOptions = {
      key: fs.readFileSync(keyPath),
      cert: fs.readFileSync(certPath),
    };

    createServer(httpsOptions, async (req, res) => {
      try {
        const parsedUrl = parse(req.url, true);
        await handle(req, res, parsedUrl);
      } catch (err) {
        console.error('Error occurred handling', req.url, err);
        res.statusCode = 500;
        res.end('internal server error');
      }
    }).listen(port, (err) => {
      if (err) throw err;
      console.log(`> Ready on https://${hostname}:${port}`);
    });
  } else {
    console.error('[SSL] 未找到证书文件，无法启动 HTTPS 服务器');
    console.error(`[SSL] 证书路径: ${certPath}`);
    console.error(`[SSL] 私钥路径: ${keyPath}`);
    console.error('[SSL] 请运行: scripts/generate_ssl_cert.bat (Windows) 或 scripts/generate_ssl_cert.sh (Linux/Mac)');
    process.exit(1);
  }
});